(1)Porous, miisaanka fudud, xoog sare.
(2) oo ka kooban sodium, magnesium, aluminium, silicon, calcium, titanium,
manganese, birta, nikkel, cobalt, molybdenum iwm
(3) Mawjadda birlabeedka fog ee infrared.
(4) Xakamaynta kulaylka, ilaalinta kulaylka, nuugista codka.
(5) Dab-demiska, caabbinta acid iyo alkali, iska caabinta daxalka.
(6) Wax wasakh ah, shucaac la'aan.